22121001202201 has 8 divisors (see below), whose sum is σ = 24132199269600. Its totient is φ = 20109836127840.

The previous prime is 22121001202049. The next prime is 22121001202277. The reversal of 22121001202201 is 10220210012122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22121001202201 - 2¹¹ = 22121001200153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121001202901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6835836 + ... + 9537853.

It is an arithmetic number, because the mean of its divisors is an integer number (3016524908700).

Almost surely, 2^{22121001202201} is an apocalyptic number.

It is an amenable number.

22121001202201 is a deficient number, since it is larger than the sum of its proper divisors (2011198067399).

22121001202201 is a wasteful number, since it uses less digits than its factorization.

22121001202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16496519.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22121001202201 its reverse (10220210012122), we get a palindrome (32341211214323).

The spelling of 22121001202201 in words is "twenty-two trillion, one hundred twenty-one billion, one million, two hundred two thousand, two hundred one".